The Wargame will also star former Scottish first minister Nicola Sturgeon as deputy prime minister.

The former housing secretary claimed attempts to punish Kingspan, Arconic and Celotex when he was in government had been blocked.

The new body was set up as part of the deal between the British government and the DUP that saw powersharing return to Northern Ireland.

Ministers in Dublin are deliberating on whether to mount an interstate case against the UK.